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「課後社團-Micro:bit(3)」目錄
MarkDown
26. 環境光線亮度
1. keyestudio 37 in 1 Starter Kit for BBC micro:bit
1-1 套件清單
1-2 Keyestudio感測器擴充板
2. LED燈
2-1 閃爍LED
2-2 呼吸LED
2-3 LED閃爍與呼吸燈
3. 蜂鳴器
3-1 蜂鳴器模組發出聲音
3-2 蜂鳴器模組播放音樂
4. RGB LED模組更改顏色
5. 按鈕控制
6. 傾斜控制
7. 光遮斷器
8. 電容式觸控
9. 紅綠燈
10. 磁力感測
11. 循跡
12. 避障
13. 紅外線人體移動感測器
14. 火警警報
15. 碰撞感測器
16. 電磁開關
17. 繼電器
18. 超聲波測量距離
19. 燈光亮度
20. 類比溫度
21. 聲音傳感器
22. 類比旋轉電位器
23. 空氣中的酒精含量
24. 空氣中的易燃氣體
25. 環境溫度檢測
26. 環境光線亮度
27. 植物自動澆水器
28. 水位警報
29. 紫外線檢測
30. 空氣中的蒸氣
31. 壓力檢測
32. 震動控制LED燈開關
33. Joystick遊戲搖桿
34. 伺服馬達
35. 液晶模組
28. 水位警報
課後社團-Micro:bit(3) ================= <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style=""><span style="">在生活中，您可能經常不時澆灌一些花卉和植物，以防止它們枯萎，但並不需要倒太多水。</span><span style="">這可能需要有照顧經驗。</span><span style="">那麼，我們是否可以製造一種系統，使機器在乾燥時自動為植物的土壤澆水？</span><span style="">當然，是可以的！</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style=""><span style="">在這個單元中，將學習如何使用土壤傳感器和micro:bit來檢測植物土壤的濕度。</span><span style="">在micro:bit LED矩陣或串行監視器上顯示類比值。</span><span style="">濕度越大，類比值越大。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**所需零件**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">Micro：bit主板\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">Keyestudio micro:bit 傳感器V2擴充版\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">USB傳輸線\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">keyestudio土壤濕度傳感器\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">杜邦跳線\* 3</span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**零件介紹**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">***土壤濕度傳感器：***</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style=""><span style="">這種簡單的土壤傳感器是檢測植物土壤濕度的理想選擇。</span><span style="">如果土壤缺水，則傳感器輸出的類比值會減少，否則會增加。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**規格**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">電源電壓：3.3V或5V</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">工作電流：≤20mA</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="">輸出電壓：0-2.3V</span></span></span></span><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="">（濕度越大，輸出電壓越高。）</span></span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">傳感器類型：類比輸出</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">端口：Pin1-信號，Pin2- GND，Pin3-VCC</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">尺寸：20 \* 60mm</span></span></span></span></span></span>  <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**自動澆水系統如下：**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style=""><span style="">首先，我們將土壤傳感器連接到微型控制器，以檢測土壤的濕度。</span><span style="">然後將繼電器模塊也連接到MCU。</span><span style="">在繼電器的常開（NO）端子上，分別連接泵和電源。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="">當檢測到土壤太乾時，微型處理器將控制繼電器打開，未連接NO端子，為泵供電，然後泵將開始工作，為您的花卉和植物澆水。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="">如果檢測到土壤足夠潮濕，微型處理器將控制繼電器關閉，NO端子斷開，關閉電源，因此泵將停止澆水。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**連接方式** <span style=""><span style="">將micro:bit插入keyestudio micro:bit傳感器V2擴充版。</span><span style="">然後將土壤濕度傳感器連接到keyestudio micro:bit傳感器擴充版。</span><span style="">將信號引腳連接到P0接頭，+引腳連接到V1接頭，接地。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>   <span style="font-size: 1.25rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-weight:400"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">範例結果</span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size: 1.13rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-weight:400"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style=""><span style="">完成線的連接並接上電源後，將以上代碼發送到micro:bit。</span><span style="">將傳感器插入植物的土壤中。</span><span style="">讀取信號端的類比值。</span><span style="">土壤濕度越大，類比值越大。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size: 1.13rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-weight:400"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style=""><span style="">您應該看到該值顯示在micro:bit的LED矩陣上。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 延伸實驗： 當檢測到土壤太乾時，會啟動水馬達澆水。
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26. 環境光線亮度
